﻿<!DOCTYPE html>
<html>
<head>
    <title>SignalR Simple Chat</title>
    <style type="text/css">
        .container {
            background-color: #99CCFF;
            border: thick solid #808080;
            padding: 20px;
            margin: 20px;
        }
    </style>
</head>
<body>
    <p><strong>To connect the web client, reload this page after a server is started</strong></p>
    <div class="container">
        <input type="text" id="message" />
        <input type="button" id="sendmessage" value="Send" />
        <input type="hidden" id="displayname" />
        <ul id="discussion"></ul>
    </div>
    <!--Script references. -->
    <!--Reference the jQuery library. -->
    <script src="Scripts/jquery-1.6.4.min.js"></script>
    <!--Reference the SignalR library. -->
    <script src="Scripts/jquery.signalR-2.0.0.min.js"></script>
    <!--Add script to update the page and send messages.-->
    <script type="text/javascript">
        $(function () {
            var url = "http://localhost:8080";
            $.ajax({
                url: url + '/signalr/hubs',
                crossDomain: true,
                dataType: "script",
                success: init,
                error: function () {
                    alert("系统初始化失败，可能服务器端没有启动或客户端地址配置错误。");
                }
            });

            function init() {
                //Set the hubs URL for the connection
                $.connection.hub.url = url + "/signalr";

                // Declare a proxy to reference the hub.
                var chat = $.connection.myHub;

                // Create a function that the hub can call to broadcast messages.
                chat.client.addMessage = function (name, message) {
                    // Html encode display name and message.
                    var encodedName = $('<div />').text(name).html();
                    var encodedMsg = $('<div />').text(message).html();
                    // Add the message to the page.
                    $('#discussion').append('<li><strong>' + encodedName
                        + '</strong>:&nbsp;&nbsp;' + encodedMsg + '</li>');
                };
                // Get the user name and store it to prepend to messages.
                $('#displayname').val(prompt('Enter your name:', ''));
                // Set initial focus to message input box.
                $('#message').focus();

                // Start the connection.
                $.connection.hub.start().done(function () {
                    $('#sendmessage').click(function () {
                        // Call the Send method on the hub.
                        chat.server.send($('#displayname').val(), $('#message').val());
                        // Clear text box and reset focus for next comment.
                        $('#message').val('').focus();
                    });
                });
            }
        });
    </script>
</body>
</html>